Mathematics
Senior High
どう計算すればいいですか?
159
次の媒介変数表示は、どのような曲線を表す
か。
(1) x =
1-12
6t
1+12
う
y=
y =
1+12
(2) x =
2t
1+t2
(1)
楕円
(2) 双曲線
1-1², y=1-12
(ただし,点(-10)を除く)
21
2-2-1 (ただし,点(0,-1)を除く)
=
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